Baidu Geek Talk

Jul 19, 2021 · Backend Development

How Baidu Scales Sensitive Word Detection to Tens of Millions with a Trie‑Based Service

This article explains the design and evolution of Baidu's word‑list service for content moderation, covering its background, multi‑layer architecture, management platform, strategy loading, matching workflow, performance optimizations for large texts, and future enhancements such as special‑character support and per‑business‑line deployment.